linux-toradex.git/drivers/acpi/thermal.c, branch v3.12.32

Merge branch 'acpi-assorted'

2013-08-30T12:13:50+00:00

* acpi-assorted:
  ACPI / EC: Add ASUSTEK L4R to quirk list in order to validate ECDT
  ACPI / thermal: Add check of "_TZD" availability and evaluating result

ACPI / thermal: Add check of "_TZD" availability and evaluating result

2013-08-28T19:47:07+00:00

Some machines don't provide _TZD, so check the availability of it
before carrying out futher operations.

If _TZD is present, also check the result of its evaluation.

[rjw: Changelog]
Signed-off-by: Lan Tianyu 
Signed-off-by: Rafael J. Wysocki

Merge branch 'acpi-assorted'

2013-08-26T23:29:04+00:00

* acpi-assorted:
  ACPI / osl: Kill macro INVALID_TABLE().
  earlycpio.c: Fix the confusing comment of find_cpio_data().
  ACPI / x86: Print Hot-Pluggable Field in SRAT.
  ACPI / thermal: Use THERMAL_TRIPS_NONE macro to replace number
  ACPI / thermal: Remove unused macros in the driver/acpi/thermal.c
  ACPI / thermal: Remove the unused lock of struct acpi_thermal
  ACPI / osl: Fix osi_setup_entries[] __initdata attribute location
  ACPI / numa: Fix __init attribute location in slit_valid()
  ACPI / dock: Fix __init attribute location in find_dock_and_bay()
  ACPI / Sleep: Fix incorrect placement of __initdata
  ACPI / processor: Fix incorrect placement of __initdata
  ACPI / EC: Fix incorrect placement of __initdata
  ACPI / scan: Drop unnecessary label from acpi_create_platform_device()
  ACPI: Move acpi_bus_get_device() from bus.c to scan.c
  ACPI / scan: Allow platform device creation without any IO resources
  ACPI: Cleanup sparse warning on acpi_os_initialize1()
  platform / thinkpad: Remove deprecated hotkey_report_mode parameter
  ACPI: Remove the old /proc/acpi/event interface

ACPI / thermal: Use THERMAL_TRIPS_NONE macro to replace number

2013-08-14T21:23:57+00:00

It's unreadable to pass "-1" as trip parameter directly to
thermal_zone_bind_cooling_device().  Use THERMAL_TRIPS_NONE instead.

Signed-off-by: Lan Tianyu 
Acked-by: Zhang Rui 
Acked-by: Durgadoss R 
Signed-off-by: Rafael J. Wysocki

ACPI / thermal: Remove unused macros in the driver/acpi/thermal.c

2013-08-14T21:23:57+00:00

The ACPI_THERMAL_FILE* macros are not used now, so remove them.

Signed-off-by: Lan Tianyu 
Acked-by: Zhang Rui 
Acked-by: Durgadoss R 
Signed-off-by: Rafael J. Wysocki

ACPI / thermal: Remove the unused lock of struct acpi_thermal

2013-08-14T21:23:57+00:00

The acpi_thermal->lock now just is initialized when a thermal zone
device is added and destroyed when the thermal zone is removed.
It is never used in any other places, so remove it.

Signed-off-by: Lan Tianyu 
Acked-by: Zhang Rui 
Acked-by: Durgadoss R 
Signed-off-by: Rafael J. Wysocki

ACPI: Remove the old /proc/acpi/event interface

2013-07-15T11:56:36+00:00

It is quite some time that this one has been deprecated.
Get rid of it.

Should some really important user be overseen, it may be reverted and
the userspace program worked on first, but it is time to do something
to get rid of this old stuff...

Signed-off-by: Thomas Renninger 
Acked-by: Matthew Garrett 
Acked-by: Henrique de Moraes Holschuh 
Signed-off-by: Rafael J. Wysocki

ACPI: introduce helper function acpi_execute_simple_method()

2013-07-14T23:33:10+00:00

Introduce helper function acpi_execute_simple_method() and use it in
a number of places to simplify code.

[rjw: Changelog]
Signed-off-by: Jiang Liu 
Signed-off-by: Rafael J. Wysocki

ACPI / thermal: do not always return THERMAL_TREND_RAISING for active trip points

2013-04-26T11:34:40+00:00

Commit 4ae46be "Thermal: Introduce thermal_zone_trip_update()"
introduced a regression causing the fan to be always on even when
the system is idle.

My original idea in that commit is that:
 - when the current temperature is above the trip point,
   keep the fan on, even if the temperature is dropping.
 - when the current temperature is below the trip point,
   turn on the fan when the temperature is raising,
   turn off the fan when the temperature is dropping.

But this is what the code actually does:
 - when the current temperature is above the trip point,
   the fan keeps on.
 - when the current temperature is below the trip point,
   the fan is always on because thermal_get_trend()
   in driver/acpi/thermal.c returns THERMAL_TREND_RAISING.
Thus the fan keeps running even if the system is idle.

Fix this in drivers/acpi/thermal.c.

[rjw: Changelog]
References: https://bugzilla.kernel.org/show_bug.cgi?id=56591
References: https://bugzilla.kernel.org/show_bug.cgi?id=56601
References: https://bugzilla.kernel.org/show_bug.cgi?id=50041#c45
Signed-off-by: Zhang Rui 
Tested-by: Matthias 
Tested-by: Ville Syrjälä 
Cc: 3.7+ 
Signed-off-by: Rafael J. Wysocki

Merge branch 'acpi-assorted'

2013-02-15T12:58:43+00:00

* acpi-assorted:
  ACPI: Add DMI entry for Sony VGN-FW41E_H
  ACPI: fix obsolete comment in custom_method.c
  ACPI / thermal: Use mode to enable/disable kernel thermal processing
  ACPI thermal: remove unnecessary newline from exception message
  ACPI sysfs: remove unnecessary newline from exception
  ACPI video: remove unnecessary newline from error messages
  ACPI: SRAT: report non-volatile memory in debug
  ACPI: Rework acpi_get_child() to be more efficient